Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

21490138 (number)

21490138 is an even 8-digits composite number following 21490137 and preceding 21490139. In scientific notation, it is written as 2.1490138 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 10593660 positive integers (up to 21490138) that are relatively prime to 21490138.

Interesting facts

21490138 has 8 divisors, whose sum is 32689440
The reverse of 21490138 is 83109412
Previous prime number is 71

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1

Name

Name	twenty-one million four hundred ninety thousand one hundred thirty-eight

Notation

Scientific notation	2.1490138 × 10^7
Engineering notation	2.1490138 × 10^6

Prime Factorization of 21490138

Prime Factorization 2 × 71 × 151339

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21490138	Product of the distinct prime numbers

The prime factorization of 21490138 is 2 × 71 × 151339. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 5, 61, 79, 729, 367, 9379, 6697, 99428, 55950, 818004, 139101, 4152348, 5605035, 33675239, 32631060, 332717860, 58085137, 3285513548, 5880092561

Basic calculations (n = 21490138)

Multiplication

n×y

n×2	42980276
n×3	64470414
n×4	85960552
n×5	107450690

Division

n÷y

n÷2	10745069
n÷3	7163379.3333333
n÷3	5372534.5
n÷5	4298027.6

Exponentiation

n^y

n²	461826031259044
n³	9.9247051437492E+21
n⁴	2.1328328314848E+29
n⁵	4.5834871879539E+36

Nth Root

^y√n

²√n	4635.7456789604
³√n	278.02236591788
⁴√n	68.086310510707
⁵√n	29.271692947727

Divisors of 21490138

1, 2, 71, 142, 151339, 302678, 10745069, 21490138

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21490137	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	1	Returns the nth root of the product of n divisors
H	Harmonic Mean	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21490138 can be divided by 8 positive divisors. The sum of these divisors (counting 21490138) is 1, the average is 0.125.

Base conversion 21490138

Base	System	Value
2	Binary	1010001111110100111011010
3	Ternary	1111102210221001
4	Quaternary	1101332213122
5	Quinary	21000141023
6	Senary	2044335214
8	Octal	121764732
10	Decimal	21490138
12	Duodecimal	724450a
16	Hexadecimal	147e9da
20	Vigesimal	6e656i
36	Base36	cslwa

Cryptographic Hash Functions

md5	5be65476866a021de07dd22d3fc91ecb
sha1	2e71ee63c1fd292107bf36f1f673bcecb5795ee4
sha256	abb02814ef004ead580a91e7d957802a48b4212e41503a4e59f1d055a5f7a535
sha512	1cda256cbd3c02a7c2aac377c587cb99c97db44f9e493c3d43c26cf55ab8ba4d6cdd8f224657143b6a04e8e453fe89d6f5eeb6653c8631503f03e0d937b9ed6d
ripemd-160	6360b632e053605c6865d84ce63135b8be231099

21490138 as geometric shapes

Circle

Radius = n

Diameter	42980276
Circumference	135026519.33086
Area	1.4508692670399E+15

Sphere

Radius = n

Volume	4.157250769153E+22
Surface area	5.8034770681598E+15
Circumference	135026519.33086

Square

Length = n

Perimeter	85960552
Area	461826031259044
Diagonal	30391644.616869

Cube

Length = n

Surface area	2770956187554264
Volume	9.9247051437492E+21
Space diagonal	37222010.877667

Equilateral Triangle

Length = n

Perimeter	64470414
Area	1.9997653759964E+14
Altitude	18611005.438833

Triangular Pyramid

Length = n

Surface area	1.9997653759964E+14
Volume	1.1696377180703E+21
Height	10130548.205623